EP3697027A1 - Control of a household appliance through an external location - Google Patents

Control of a household appliance through an external location Download PDF

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Publication number
EP3697027A1
EP3697027A1 EP20153190.2A EP20153190A EP3697027A1 EP 3697027 A1 EP3697027 A1 EP 3697027A1 EP 20153190 A EP20153190 A EP 20153190A EP 3697027 A1 EP3697027 A1 EP 3697027A1
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EP
European Patent Office
Prior art keywords
household appliance
household
message
appliance
external location
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP20153190.2A
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German (de)
French (fr)
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EP3697027B1 (en
Inventor
Thomas Richer
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BSH Hausgeraete GmbH
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BSH Hausgeraete GmbH
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Publication of EP3697027A1 publication Critical patent/EP3697027A1/en
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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/2803—Home automation networks
    • H04L12/2816—Controlling appliance services of a home automation network by calling their functionalities
    • H04L12/2818—Controlling appliance services of a home automation network by calling their functionalities from a device located outside both the home and the home network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
    • H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • H04L67/125—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks involving control of end-device applications over a network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/24—Negotiation of communication capabilities
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/2803—Home automation networks
    • H04L2012/2847—Home automation networks characterised by the type of home appliance used
    • H04L2012/285—Generic home appliances, e.g. refrigerators

Definitions

  • the invention relates to the control of a household appliance.
  • the invention relates to the control of the household appliance from an external point.
  • a household appliance includes an interface for data connection with an external point.
  • the household appliance is set up in a household where a central router is available via which such a data connection can be established via the Internet.
  • a central router is available via which such a data connection can be established via the Internet.
  • Security settings often prevent a device within the household from offering a service to a client in the network.
  • one of the router's addresses on the Internet is also not permanent.
  • the latter opens a communication connection to the external point and maintains the connection for a predetermined time. If the connection breaks off, it can be re-established by the household appliance. In this case, the external body must have an open communication link for each household appliance to be controlled. The resources required for this in the form of computing capacity, memory or network bandwidth can be considerable if a large number of household appliances are to be controlled.
  • KR 2002 0 087 545 A proposes connecting several household appliances in a household to one another and updating dynamic network information, which are each required for contacting one of the household appliances, at an external point.
  • An object on which the present invention is based is to provide an improved technique for controlling a plurality of household appliances from an external point with reduced effort.
  • the invention solves this problem by means of the subjects of the independent claims.
  • Dependent claims reproduce preferred embodiments.
  • a method for controlling a first and a second household appliance in a household by an external location comprises the steps of providing two household appliances; establishing a first communication link between the two household appliances; the negotiation between the two household appliances, which acts as the first and which acts as the second household appliance; establishing a second communication link from the second household appliance to the external location; the second household appliance capturing a message, the message being directed from the external location to one of the household appliances; and forwarding the message to the first household appliance if the message is directed to the first household appliance.
  • the message is preferably transmitted from the external point to the second household appliance via the second communication connection and from the second household appliance to the first household appliance via the first communication connection.
  • the basic scheme that a connection to the external point must be set up by a household appliance can be retained.
  • Network security can remain high and the technology can be used on a standard router in a household.
  • the number of communication channels kept open by the external office can be halved, so that resources can be saved.
  • first household appliances are installed in the household, which behave essentially the same with regard to communication with the external point.
  • the number of open communication connections on the part of the external body can be further reduced. For example, if four first household appliances and a second household appliance are provided in a household, the number of open communication channels can be reduced to 20% compared to conventional technology; with nine first and one second household appliance to 10%.
  • the second communication connection is preferably a packet-switched connection that can be established and maintained on a higher layer as a virtual line.
  • a TCP / IP connection can be used for this.
  • Information can be transmitted using any higher-level protocol, such as HTTP.
  • the second household appliance can also periodically request messages from the external location.
  • a frequency of the query can be determined by the second household appliance depending on a situation in the household, for example. For example, if people are present, queries can be made with a higher frequency than if no people are present.
  • the query frequency can also depend on an activity of the people present. The activity can be determined based on a degree of utilization of the household appliances.
  • the first household appliance can establish a third communication link to the external point.
  • the third communication link can be used, for example, to transmit a response to the external location.
  • the third communication connection preferably does not run via the second household appliance, but rather directly.
  • the first and the second household appliance can each communicate with a router that forwards information to and from the external location.
  • the third communication connection can be independent of the second household appliance, so that it does not have to forward further information. Resources of the first household appliance can be saved. Communication security of the second household appliance can be improved.
  • a message that was forwarded to the first household appliance via the first communication connection can relate to a request to set up the third communication connection.
  • the method can include a step in which the first household appliance obtains control information from the external location.
  • the second household appliance only knows that communication between the external point and the first household appliance is desired, whereas a reason or content of the communication is not known.
  • An object of communication between the external point and the first household appliance, in particular the control information, can be transmitted directly.
  • a device function of the first household device can be controlled as a function of a received message.
  • the message can include the control information.
  • the controller can, for example, relate to a transition of the household appliance from an idle state to a standby state or a working state, or request or set an operating parameter of the appliance.
  • a response from the first household appliance to a received message is preferably transmitted to the external location. This is also referred to as an acknowledged transmission.
  • the external point can thereby have improved knowledge of a state of the first household appliance. Should the first household appliance receive the message but not be able to execute a control command contained in it, it can communicate this fact or a reason for it via the response to the external body.
  • the message at the external location can be determined on the basis of a request from another device.
  • a user can use a network-compatible device to contact the external location and store a request for one of the household devices.
  • the device can in particular comprise a personal computer or a smartphone.
  • a message to one of the household appliances can also be determined by the external location, for example as a function of a message from another household appliance in the same household or as a function of another determination.
  • the second household appliance can be determined, for example, that can communicate with most of the other household appliances or that has been selected for this by a user.
  • the method can be in the form of a computer program product with program code means and can be executed by one or more processing devices of components described herein.
  • the processing device can comprise a programmable microcomputer or microcontroller.
  • the computer program product can also be stored on a computer-readable data carrier. Additional features or advantages of the method can be transferred to a household appliance described herein, a device described herein or in a system described herein, or vice versa.
  • a household appliance for controlling a further household appliance is set up to establish a first communication connection to the further household appliance; negotiate with the other household appliance which of the two household appliances is the first and which is the second household appliance; and if negotiated that the household appliance as the second household appliance and the further household appliance acts as the first household appliance to establish a second communication link to an external location, to capture a message that is directed to one of the household appliances from the external location, and to forward the message to the further household appliance if the message is sent to the further household appliance is directed.
  • the first and the second household appliance are preferably arranged in the same household.
  • a device for controlling a first and a second household appliance is set up to store a message which is directed to one of the household appliances and to provide the message in response to a query of one of the household appliances.
  • the device may correspond to an external location described herein.
  • a system comprises a household appliance described herein, an external point described herein and a further household appliance, the further household appliance being set up to receive a message from the household appliance and to control a device function as a function of the message.
  • FIG. 1 shows an exemplary system 100.
  • Several household appliances 105, 110 are arranged in a common household.
  • the household usually comprises a private household, mostly in the form of an apartment or a house, and is preferably assigned to at least one person or a predetermined group of people.
  • a household appliance 105, 110 can comprise practically any type of appliance that can be used in the household, in particular a kitchen appliance, a vacuum cleaner, or a do-it-yourself appliance.
  • one of the household appliances 105, 110 can also include an entertainment device such as a television or a radio.
  • the household appliances 105, 110 can also be assigned to a predetermined room in the household, for example a kitchen or a garage.
  • the system 100 comprises at least a first household appliance 105 and a second household appliance 110.
  • a plurality of first household appliances 105 and a second household appliance 110 are shown here by way of example, the first household appliances 105 purely by way of example being an extractor hood 105.1, a hob 105.2, an oven 105.3 and a washing machine 105.4.
  • the second household appliance 110 is shown by way of example as a cooling device.
  • a router 115 is preferably provided which is set up to exchange information with a higher-level network 120 such as the Internet, to which an external point 125 is also connected.
  • the router 115 can be connected to the network 120 by means of (A) DSL, broadband cable or optical waveguides, for example.
  • a communication connection to one of the household appliances 105, 110 usually takes place wirelessly, for example via WLAN or Bluetooth.
  • a network address at which the router 115 can be reached in the network 120 is not known and / or is not static.
  • the router 115 can obtain its network address from a network node of the network 120 using a dynamic protocol such as DHCP.
  • the router 115 can include a security function (“firewall”) that is set up to prevent the establishment of a communication connection that originates from the network 120 and is directed to one of the household appliances 105, 110.
  • a communication connection that originates from one of the household appliances 105, 110 and is directed, for example, to the external point 125, can, however, be permitted by the router 115.
  • the external location 125 is preferably located outside the household in which the household appliances 105, 110 are installed, and is more preferably implemented as a server or as a service, in particular abstracted in a cloud.
  • the external location 125 usually comprises a processing device 130 and a storage device 135 for storing information and / or messages.
  • the external point 125 is preferably set up to be communicatively connected to a plurality of household appliances 105, 110 of the same household. It is further preferred that the external point 125 is communicatively connected to a multiplicity of further household appliances 105, 110 which are assigned to other households.
  • a personal device 140 of a predetermined person can also exchange information with the external location 125 via the network 120.
  • the person is preferably assigned to at least one of the household appliances 105, 110 of the household in question.
  • the device 140 can be mobile and comprise, for example, a smartphone, a tablet computer or a laptop. It can also be designed, for example, as a personal computer and set up to be operated in a stationary manner.
  • the device 140 can be used to store or generate a message 145 for one of the household devices 105, 110 at the external location.
  • the latter To transmit messages 145 from the external point 125 to the first household appliances 105, the latter usually each set up a communication connection to the external point 125 and maintain this at least for a predetermined time. If necessary, the external location 125 can use one of the communication connections in order to transmit the message 145 to a predetermined one of the household appliances 105, 110. In contrast to this, it is proposed that initially only the second household appliance 110 maintain a communication connection with the external point 125. A message 145 to one of the household appliances 105, 110 is transmitted to the second household appliance 110, which forwards the message 145, if necessary, to the intended recipient among the household appliances 105.
  • FIG. 10 shows a flowchart of an exemplary method 200 for transmitting a message 145 from the external location 125 to one of the household appliances 105, 110.
  • the flowchart shown is based on only part of the system 100.
  • first household appliances 105 can be present.
  • a step 205 it can be negotiated among the household appliances 105 which of them is to assume the role of the second household appliance 110.
  • the second household appliance 110 can preferably set up a communication link with the router 115 and direct communication links with as many first household appliances 105 as possible. If there is no household appliance 105 that can establish a direct communication link with all other household appliances 105 in the household, the technique described herein can be carried out multiple times and independently of one another with several different second household appliances 110.
  • Figure 2 are exemplary as the first household appliance 105 an extractor hood and a cooling device shown as the second household appliance 110.
  • the second household appliance 110 establishes a communication link to the first household appliance 105.
  • This connection is preferably made directly with respect to a transport layer of a communication protocol used.
  • a repeater which is not visible for communication on a higher level, can be connected between the household appliances 105, 110.
  • the second household appliance 110 establishes a communication link to the external location 125.
  • This connection is preferably established at the level of a transport protocol of a packet-switched connection.
  • a circuit-switched connection is also possible.
  • the communication connection is usually closed by one of the sides 110, 125 if the connection has existed for a first predetermined time and / or no information has been transmitted for a second predetermined time.
  • one of the pages 110, 125 can transmit information before the second predetermined time has elapsed.
  • the second household appliance 110 can then also send an inquiry to the external location 125 as to whether a message 145 is present for one of the household appliances 105, 110.
  • the message 145 is to be transmitted from the external location 125 to one of the household appliances 105, 110.
  • the external unit 125 transmits the message 145 to the second household appliance 110 preferably via the existing communication connection. If the message 145 is directed to the second household appliance 110, the second household appliance 110 can send a response to the received message 145 to the external unit 125, for example in the form of an acknowledgment of receipt, and the method 200 can end in this step. However, if the message 145 is directed to the first household appliance 105, it can be forwarded there by the second household appliance 110 in a step 225. The first household appliance 105 can transmit a response to the received message 145 to the external location 125. The answer can first be transmitted in the opposite direction to the second household appliance 110 and forwarded from there to the external point 125.
  • the first household appliance 105 can establish a communication connection to the router 115 and use this to transmit a response to the external location 125.
  • This communication connection preferably does not run via the second household appliance 110, but rather directly to the router 115 or, if necessary, via another router 115 (not shown).
  • the message 145 transmitted by the external location 125 initially only comprises a request to the household appliance 105 to establish a direct communication connection.
  • the first household appliance 105 can report to the external point 125 via the established communication link and request the actual message 145, for example. In a step 235, this can be transmitted from the external point 125 to the first household appliance 105.
  • the addressed household appliance 105, 110 can extract and evaluate included control information.
  • the control information can include a request for a process that can be carried out by the household appliance 105, 110, or the provision or changing of a control parameter.
  • the control parameter can relate, for example, to a temperature prevailing inside.
  • a device function can be controlled on the basis of the control information, for example in the case of the extractor hood 105, switching a fan motor or lighting on or off.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Automation & Control Theory (AREA)
  • Computer Security & Cryptography (AREA)
  • Health & Medical Sciences (AREA)
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Abstract

Ein Verfahren zum Steuern eines ersten und eines zweiten Haushaltsgeräts in einem Haushalt durch eine externe Stelle umfasst Schritte des Bereitstellens von zwei Haushaltsgeräten; des Herstellens einer ersten Kommunikationsverbindung zwischen den beiden Haushaltsgeräten; des Aushandelns zwischen den beiden Haushaltsgeräten, welches als erstes und welches als zweites Haushaltsgerät handelt; des Herstellens einer zweiten Kommunikationsverbindung vom zweiten Haushaltsgerät zur externen Stelle; des Erfassens einer Nachricht durch das zweite Haushaltsgerät, wobei die Nachricht von der externen Stelle an eines der Haushaltsgeräte gerichtet ist; und des Weiterleitens der Nachricht an das erste Haushaltsgerät, falls die Nachricht an das erste Haushaltsgerät gerichtet ist.A method for controlling a first and a second household appliance in a household by an external location comprises the steps of providing two household appliances; establishing a first communication link between the two household appliances; the negotiation between the two household appliances, which acts as the first and which acts as the second household appliance; establishing a second communication link from the second household appliance to the external location; the second household appliance capturing a message, the message being directed from the external location to one of the household appliances; and forwarding the message to the first household appliance if the message is directed to the first household appliance.

Description

Die Erfindung betrifft die Steuerung eines Haushaltsgeräts. Insbesondere betrifft die Erfindung die Steuerung des Haushaltsgeräts von einer externen Stelle aus.The invention relates to the control of a household appliance. In particular, the invention relates to the control of the household appliance from an external point.

Ein Haushaltsgerät umfasst eine Schnittstelle zur Datenverbindung mit einer externen Stelle. Das Haushaltsgerät ist in einem Haushalt aufgestellt, wo ein zentraler Router bereitsteht, über den eine solche Datenverbindung über das Internet aufgebaut werden kann. Allerdings ist es üblicherweise nicht ohne weiteres möglich, eine Verbindung von der externen Stelle zum Haushaltsgerät aufzubauen. Häufig verhindern Sicherheitseinstellungen, dass ein Gerät innerhalb des Haushalts einen Dienst für einen Client im Netzwerk anbietet. Meistens ist auch eine Adresse des Routers im Internet nicht von Dauer.A household appliance includes an interface for data connection with an external point. The household appliance is set up in a household where a central router is available via which such a data connection can be established via the Internet. However, it is usually not easily possible to set up a connection from the external point to the household appliance. Security settings often prevent a device within the household from offering a service to a client in the network. Most of the time, one of the router's addresses on the Internet is also not permanent.

Um das Übermitteln einer Nachricht von der externen Stelle an das Haushaltsgerät zu ermöglichen, öffnet dieses eine Kommunikationsverbindung zur externen Stelle und hält die Verbindung über eine vorbestimmte Zeit aufrecht. Bricht die Verbindung ab, so kann sie erneut vom Haushaltsgerät aufgebaut werden. Seitens der externen Stelle muss in diesem Fall für jedes zu steuernde Haushaltsgerät eine geöffnete Kommunikationsverbindung bestehen. Die hierfür erforderlichen Ressourcen in Form von Rechenkapazität, Speicher oder Netzwerk-Bandbreite können erheblich sein, wenn eine Vielzahl Haushaltsgeräte gesteuert werden sollen.In order to enable the transmission of a message from the external point to the household appliance, the latter opens a communication connection to the external point and maintains the connection for a predetermined time. If the connection breaks off, it can be re-established by the household appliance. In this case, the external body must have an open communication link for each household appliance to be controlled. The resources required for this in the form of computing capacity, memory or network bandwidth can be considerable if a large number of household appliances are to be controlled.

KR 2002 0 087 545 A schlägt vor, mehrere Haushaltsgeräte in einem Haushalt miteinander zu verbinden und dynamische Netzwerkinformationen, die jeweils zum Kontaktieren eines des Haushaltsgeräte erforderlich sind, an einer externen Stelle zu aktualisieren. KR 2002 0 087 545 A proposes connecting several household appliances in a household to one another and updating dynamic network information, which are each required for contacting one of the household appliances, at an external point.

Eine der vorliegenden Erfindung zu Grunde liegende Aufgabe besteht in der Angabe einer verbesserten Technik, um mit verringertem Aufwand von einer externen Stelle aus mehrere Haushaltsgeräte zu steuern. Die Erfindung löst diese Aufgabe mittels der Gegenstände der unabhängigen Ansprüche. Unteransprüche geben bevorzugte Ausführungsformen wieder.An object on which the present invention is based is to provide an improved technique for controlling a plurality of household appliances from an external point with reduced effort. The invention solves this problem by means of the subjects of the independent claims. Dependent claims reproduce preferred embodiments.

Ein Verfahren zum Steuern eines ersten und eines zweiten Haushaltsgeräts in einem Haushalt durch eine externe Stelle umfasst Schritte des Bereitstellens von zwei Haushaltsgeräten; des Herstellens einer ersten Kommunikationsverbindung zwischen den beiden Haushaltsgeräten; des Aushandelns zwischen den beiden Haushaltsgeräten, welches als erstes und welches als zweites Haushaltsgerät handelt; des Herstellens einer zweiten Kommunikationsverbindung vom zweiten Haushaltsgerät zur externen Stelle; des Erfassens einer Nachricht durch das zweite Haushaltsgerät, wobei die Nachricht von der externen Stelle an eines der Haushaltsgeräte gerichtet ist; und des Weiterleitens der Nachricht an das erste Haushaltsgerät, falls die Nachricht an das erste Haushaltsgerät gerichtet ist. Bevorzugt wird die Nachricht über die zweite Kommunikationsverbindung von der externen Stelle an das zweite Haushaltsgerät, und über die erste Kommunikationsverbindung vom zweiten Haushaltsgerät an das erste Haushaltsgerät übermittelt.A method for controlling a first and a second household appliance in a household by an external location comprises the steps of providing two household appliances; establishing a first communication link between the two household appliances; the negotiation between the two household appliances, which acts as the first and which acts as the second household appliance; establishing a second communication link from the second household appliance to the external location; the second household appliance capturing a message, the message being directed from the external location to one of the household appliances; and forwarding the message to the first household appliance if the message is directed to the first household appliance. The message is preferably transmitted from the external point to the second household appliance via the second communication connection and from the second household appliance to the first household appliance via the first communication connection.

Erfindungsgemäß kann das grundlegende Schema, dass eine Verbindung zur externen Stelle von einem Haushaltsgerät aufgebaut werden muss, beibehalten werden. Eine Netzwerksicherheit kann unverändert hoch sein und die Technik kann an einem üblichen Router in einem Haushalt eingesetzt werden. Gleichzeitig kann die Anzahl der seitens der externen Stelle offen gehaltenen Kommunikationskanäle halbiert werden, sodass Ressourcen eingespart werden können.According to the invention, the basic scheme that a connection to the external point must be set up by a household appliance can be retained. Network security can remain high and the technology can be used on a standard router in a household. At the same time, the number of communication channels kept open by the external office can be halved, so that resources can be saved.

In einer besonders bevorzugten Ausführungsform sind in dem Haushalt mehrere erste Haushaltsgeräte angebracht, die sich bezüglich der Kommunikation mit der externen Stelle im Wesentlichen gleich verhalten. Dadurch kann die Anzahl offener Kommunikationsverbindungen seitens der externen Stelle weiter reduziert werden. Sind beispielsweise vier erste Haushaltsgeräte und ein zweites Haushaltsgerät in einem Haushalt vorgesehen, so kann die Anzahl der offenen Kommunikationskanäle gegenüber einer konventionellen Technik auf 20% reduziert sein; bei neun ersten und einem zweiten Haushaltsgerät auf 10%.In a particularly preferred embodiment, several first household appliances are installed in the household, which behave essentially the same with regard to communication with the external point. As a result, the number of open communication connections on the part of the external body can be further reduced. For example, if four first household appliances and a second household appliance are provided in a household, the number of open communication channels can be reduced to 20% compared to conventional technology; with nine first and one second household appliance to 10%.

Die zweite Kommunikationsverbindung ist bevorzugt eine paketvermittelte Verbindung, die auf einer höheren Schicht als virtuelle Leitung etabliert und aufrechterhalten werden kann. Beispielsweise kann eine TCP/IP-Verbindung hierfür verwendet werden. Informationen können mittels eines beliebigen höheren Protokolls übermittelt werden, beispielsweise HTTP.The second communication connection is preferably a packet-switched connection that can be established and maintained on a higher layer as a virtual line. For example, a TCP / IP connection can be used for this. Information can be transmitted using any higher-level protocol, such as HTTP.

Das zweite Haushaltsgerät kann auch periodisch Nachrichten von der externen Stelle abfragen. Eine Häufigkeit des Abfragens kann durch das zweite Haushaltsgerät bestimmt werden, beispielsweise in Abhängigkeit einer Situation im Haushalt. Sind beispielsweise Personen anwesend, so kann mit höherer Frequenz abgefragt werden als wenn keine Personen anwesend sind. Die Abfragefrequenz kann auch von einer Aktivität der anwesenden Personen abhängig sein. Die Aktivität kann anhand eines Nutzungsgrads der Haushaltsgeräte bestimmt werden.The second household appliance can also periodically request messages from the external location. A frequency of the query can be determined by the second household appliance depending on a situation in the household, for example. For example, if people are present, queries can be made with a higher frequency than if no people are present. The query frequency can also depend on an activity of the people present. The activity can be determined based on a degree of utilization of the household appliances.

Das erste Haushaltsgerät kann in Antwort auf eine empfangene Nachricht eine dritte Kommunikationsverbindung zur externen Stelle herstellen. Die dritte Kommunikationsverbindung kann beispielsweise zur Übermittlung einer Antwort an die externe Stelle verwendet werden.In response to a received message, the first household appliance can establish a third communication link to the external point. The third communication link can be used, for example, to transmit a response to the external location.

Die dritte Kommunikationsverbindung verläuft bevorzugt nicht über das zweite Haushaltsgerät, sondern direkt. Beispielsweise können das erste und das zweite Haushaltsgerät jeweils mit einem Router kommunizieren, der Informationen zur und von der externen Stelle weiterleitet. Die dritte Kommunikationsverbindung kann unabhängig vom zweiten Haushaltsgerät sein, so dass dieses weitere Informationen nicht weiterleiten muss. Ressourcen des ersten Haushaltsgeräts können eingespart werden. Eine Kommunikationssicherheit des zweiten Haushaltsgeräts kann verbessert sein.The third communication connection preferably does not run via the second household appliance, but rather directly. For example, the first and the second household appliance can each communicate with a router that forwards information to and from the external location. The third communication connection can be independent of the second household appliance, so that it does not have to forward further information. Resources of the first household appliance can be saved. Communication security of the second household appliance can be improved.

Eine Nachricht, die über die erste Kommunikationsverbindung an das erste Haushaltsgerät weitergeleitet wurde, kann eine Aufforderung zum Aufbauen der dritten Kommunikationsverbindung betreffen. In diesem Fall kann das Verfahren einen Schritt des Beziehens einer Steuerinformation durch das erste Haushaltsgerät von der externen Stelle umfassen. Dadurch ist seitens des zweiten Haushaltsgeräts nur bekannt, dass eine Kommunikation zwischen der externen Stelle und dem ersten Haushaltsgerät gewünscht ist, ein Grund oder ein Inhalt der Kommunikation hingegen sind nicht bekannt. Ein Gegenstand der Kommunikation zwischen der externen Stelle und dem ersten Haushaltsgerät, insbesondere die Steuerinformation, kann direkt übermittelt werden.A message that was forwarded to the first household appliance via the first communication connection can relate to a request to set up the third communication connection. In this case, the method can include a step in which the first household appliance obtains control information from the external location. As a result, the second household appliance only knows that communication between the external point and the first household appliance is desired, whereas a reason or content of the communication is not known. An object of communication between the external point and the first household appliance, in particular the control information, can be transmitted directly.

Eine Gerätefunktion des ersten Haushaltsgeräts kann in Abhängigkeit einer empfangenen Nachricht gesteuert werden. Die Nachricht kann hierbei die Steuerinformation umfassen. Die Steuerung kann beispielsweise einen Übergang des Haushaltsgeräts von einem Ruhezustand in einen Bereitschaftszustand oder einen Arbeitszustand betreffen, oder einen Betriebsparameter des Geräts anfordern oder setzen.A device function of the first household device can be controlled as a function of a received message. The message can include the control information. The controller can, for example, relate to a transition of the household appliance from an idle state to a standby state or a working state, or request or set an operating parameter of the appliance.

Bevorzugt wird eine Antwort des ersten Haushaltsgeräts auf eine empfangene Nachricht an die externe Stelle übermittelt. Man spricht hierbei auch von einer quittierten Übertragung. Die externe Stelle kann dadurch verbessert Kenntnis von einem Zustand des ersten Haushaltsgeräts haben. Sollte das erste Haushaltsgerät die Nachricht empfangen, aber einen darin enthaltenen Steuerbefehl nicht ausführen können, so kann sie diesen Umstand oder einen Grund dafür über die Antwort der externen Stelle mitteilen.A response from the first household appliance to a received message is preferably transmitted to the external location. This is also referred to as an acknowledged transmission. The external point can thereby have improved knowledge of a state of the first household appliance. Should the first household appliance receive the message but not be able to execute a control command contained in it, it can communicate this fact or a reason for it via the response to the external body.

Die Nachricht an der externen Stelle kann auf der Basis einer Anforderung durch ein weiteres Gerät bestimmt sein. Beispielsweise kann ein Benutzer mittels eines netzwerkfähigen Geräts Kontakt mit der externen Stelle aufnehmen und eine Anforderung für eines der Haushaltsgeräte hinterlegen. Das Gerät kann insbesondere einen Personal Computer oder ein Smartphone umfassen. Alternativ kann eine Nachricht an eines der Haushaltsgeräte auch durch die externe Stelle bestimmt werden, beispielsweise in Abhängigkeit einer Nachricht eines anderen Haushaltsgeräts desselben Haushalts oder in Abhängigkeit einer anderen Bestimmung.The message at the external location can be determined on the basis of a request from another device. For example, a user can use a network-compatible device to contact the external location and store a request for one of the household devices. The device can in particular comprise a personal computer or a smartphone. Alternatively, a message to one of the household appliances can also be determined by the external location, for example as a function of a message from another household appliance in the same household or as a function of another determination.

Im Haushalt können mehrere Haushaltsgeräte aushandeln, welches als erstes und welches als zweites Haushaltsgerät handeln soll. Als zweites Haushaltsgerät kann beispielsweise dasjenige bestimmt werden, das mit den meisten der anderen Haushaltsgeräte kommunizieren kann oder das von einem Benutzer dafür ausgewählt wurde.Several household appliances can negotiate in the household, which should act as the first and which as the second household appliance. The second household appliance can be determined, for example, that can communicate with most of the other household appliances or that has been selected for this by a user.

Das Verfahren kann in Form eines Computerprogrammprodukts mit Programmcodemitteln vorliegen und von einer oder mehreren Verarbeitungseinrichtung von hierin beschriebenen Komponenten ausgeführt werden. Dazu kann die Verarbeitungseinrichtung einen programmierbaren Mikrocomputer oder Mikrocontroller umfassen. Das Computerprogrammprodukt kann auch auf einem computerlesbaren Datenträger abgespeichert sein. Merkmale oder Vorteile des Verfahrens können auf ein hierin beschriebenes Haushaltsgerät, eine hierin beschriebene Vorrichtung oder in hierin beschriebenes System übertragen werden oder umgekehrt.The method can be in the form of a computer program product with program code means and can be executed by one or more processing devices of components described herein. For this purpose, the processing device can comprise a programmable microcomputer or microcontroller. The computer program product can also be stored on a computer-readable data carrier. Features or advantages of the method can be transferred to a household appliance described herein, a device described herein or in a system described herein, or vice versa.

Nach einem zweiten Aspekt der Erfindung ist ein Haushaltsgerät zur Steuerung eines weiteren Haushaltsgeräts dazu eingerichtet, eine erste Kommunikationsverbindung zum weiteren Haushaltsgerät herzustellen; mit dem weiteren Haushaltsgerät auszuhandeln, welches der beiden Haushaltsgeräte als erstes und welches als zweites Haushaltsgerät handelt; und sofern ausgehandelt wurde, dass das Haushaltsgerät als zweites Haushaltsgerät und das weitere Haushaltsgerät als erstes Haushaltsgerät handelt, eine zweite Kommunikationsverbindung zu einer externen Stelle herzustellen, eine Nachricht, die an eines der Haushaltsgeräte gerichtet ist, von der externen Stelle zu erfassen, und die Nachricht an das weitere Haushaltsgerät weiterzuleiten, falls die Nachricht an das weitere Haushaltsgerät gerichtet ist. Das erste und das zweite Haushaltsgerät sind hierbei bevorzugt im gleichen Haushalt angeordnet.According to a second aspect of the invention, a household appliance for controlling a further household appliance is set up to establish a first communication connection to the further household appliance; negotiate with the other household appliance which of the two household appliances is the first and which is the second household appliance; and if negotiated that the household appliance as the second household appliance and the further household appliance acts as the first household appliance to establish a second communication link to an external location, to capture a message that is directed to one of the household appliances from the external location, and to forward the message to the further household appliance if the message is sent to the further household appliance is directed. The first and the second household appliance are preferably arranged in the same household.

Nach einem dritten Aspekt der Erfindung ist eine Vorrichtung zur Steuerung eines ersten und eines zweiten Haushaltsgeräts, dazu eingerichtet, eine Nachricht, die an eines der Haushaltsgeräte gerichtet ist, zu speichern und die Nachricht in Antwort auf eine Abfrage eines der Haushaltsgeräte bereitzustellen. Die Vorrichtung kann einer hierin beschriebenen externen Stelle entsprechen.According to a third aspect of the invention, a device for controlling a first and a second household appliance is set up to store a message which is directed to one of the household appliances and to provide the message in response to a query of one of the household appliances. The device may correspond to an external location described herein.

Nach einem weiteren Aspekt der Erfindung umfasst ein System ein hierin beschriebenes Haushaltsgerät, eine hierin beschriebene externe Stelle und ein weiteres Haushaltsgerät, wobei das weitere Haushaltsgerät dazu eingerichtet ist, eine Nachricht vom Haushaltsgerät zu empfangen und eine Gerätefunktion in Abhängigkeit der Nachricht zu steuern.According to a further aspect of the invention, a system comprises a household appliance described herein, an external point described herein and a further household appliance, the further household appliance being set up to receive a message from the household appliance and to control a device function as a function of the message.

Die Erfindung wird nun unter Bezug auf die beiliegenden Figuren genauer beschrieben, in denen:

Figur 1
ein beispielhaftes System mit einem Haushalt und einer externen Stelle; und
Figur 2
ein Ablaufdiagramm eines beispielhaften Verfahrens
darstellt.The invention will now be described in more detail with reference to the accompanying figures, in which:
Figure 1
an exemplary system with a household and an external agency; and
Figure 2
a flow chart of an exemplary method
represents.

Figur 1 zeigt ein beispielhaftes System 100. Mehrere Haushaltsgeräte 105, 110 sind in einem gemeinsamen Haushalt angeordnet. Der Haushalt umfasst dabei üblicherweise einen Privathaushalt, meist in Form einer Wohnung oder eines Hauses, und ist bevorzugt wenigstens einer Person oder einer vorbestimmten Gruppe von Personen zugeordnet. Ein Haushaltsgerät 105, 110 kann praktisch jede Art von Gerät umfassen, die im Haushalt verwendet werden kann, insbesondere ein Küchengerät, einen Staubsauger, oder ein Heimwerkergerät. Optional kann eines der Haushaltsgeräte 105, 110 auch ein Unterhaltungsgerät wie einen Fernseher oder ein Radio umfassen. Figure 1 shows an exemplary system 100. Several household appliances 105, 110 are arranged in a common household. The household usually comprises a private household, mostly in the form of an apartment or a house, and is preferably assigned to at least one person or a predetermined group of people. A household appliance 105, 110 can comprise practically any type of appliance that can be used in the household, in particular a kitchen appliance, a vacuum cleaner, or a do-it-yourself appliance. Optionally, one of the household appliances 105, 110 can also include an entertainment device such as a television or a radio.

Die Haushaltsgeräte 105, 110 können auch einem vorbestimmten Raum des Haushalts zugeordnet sein, etwa einer Küche oder einer Garage. Das System 100 umfasst wenigstens ein erstes Haushaltsgerät 105 und ein zweites Haushaltsgerät 110. Vorliegend sind beispielhaft mehrere erste Haushaltsgeräte 105 und ein zweites Haushaltsgerät 110 dargestellt, wobei die ersten Haushaltsgeräte 105 rein beispielhaft eine Dunstabzugshaube 105.1, ein Kochfeld 105.2, einen Backofen 105.3 und eine Waschmaschine 105.4. Das zweite Haushaltsgerät 110 ist beispielhaft als Kühlgerät dargestellt.The household appliances 105, 110 can also be assigned to a predetermined room in the household, for example a kitchen or a garage. The system 100 comprises at least a first household appliance 105 and a second household appliance 110. A plurality of first household appliances 105 and a second household appliance 110 are shown here by way of example, the first household appliances 105 purely by way of example being an extractor hood 105.1, a hob 105.2, an oven 105.3 and a washing machine 105.4. The second household appliance 110 is shown by way of example as a cooling device.

Im Haushalt ist bevorzugt ein Router 115 vorgesehen, der dazu eingerichtet ist, Informationen mit einem übergeordneten Netzwerk 120 wie dem Internet auszutauschen, mit dem auch eine externe Stelle 125 verbunden ist. Der Router 115 kann beispielsweise mittels (A)DSL, Breitbandkabel oder Lichtwellenleiter mit dem Netzwerk 120 verbunden sein. Innerhalb des Haushalts erfolgt eine Kommunikationsverbindung zu einem der Haushaltsgeräte 105, 110 üblicherweise drahtlos, beispielsweise per WLAN oder Bluetooth. In der Regel ist eine Netzwerkadresse, unter welcher der Router 115 im Netzwerk 120 erreicht werden kann, nicht bekannt und/oder nicht statisch. Insbesondere kann der Router 115 seine Netzwerkadresse mittels eines dynamischen Protokolls wie DHCP von einem Netzknoten des Netzwerks 120 beziehen. Der Router 115 kann eine Sicherheitsfunktion ("Firewall") umfassen, die dazu eingerichtet ist, das Aufbauen einer Kommunikationsverbindung zu verhindern, die vom Netzwerk 120 ausgeht und an eines der Haushaltsgeräte 105, 110 gerichtet ist. Eine Kommunikationsverbindung, die von einem der Haushaltsgeräte 105, 110 ausgeht und beispielsweise an die externe Stelle 125 gerichtet ist, kann hingegen vom Router 115 erlaubt sein.In the household, a router 115 is preferably provided which is set up to exchange information with a higher-level network 120 such as the Internet, to which an external point 125 is also connected. The router 115 can be connected to the network 120 by means of (A) DSL, broadband cable or optical waveguides, for example. Within the household, a communication connection to one of the household appliances 105, 110 usually takes place wirelessly, for example via WLAN or Bluetooth. As a rule, a network address at which the router 115 can be reached in the network 120 is not known and / or is not static. In particular, the router 115 can obtain its network address from a network node of the network 120 using a dynamic protocol such as DHCP. The router 115 can include a security function (“firewall”) that is set up to prevent the establishment of a communication connection that originates from the network 120 and is directed to one of the household appliances 105, 110. A communication connection that originates from one of the household appliances 105, 110 and is directed, for example, to the external point 125, can, however, be permitted by the router 115.

Die externe Stelle 125 befindet sich bevorzugt außerhalb des Haushalts, in dem die Haushaltsgeräte 105, 110 angebracht sind, und ist weiter bevorzugt als Server oder als Dienst realisiert, insbesondere abstrahiert in einer Cloud. Die externe Stelle 125 umfasst üblicherweise eine Verarbeitungseinrichtung 130 und eine Speichervorrichtung 135 zur Ablage von Informationen und/oder Nachrichten. Die externe Stelle 125 ist bevorzugt dazu eingerichtet, mit einer Vielzahl Haushaltsgeräte 105, 110 des gleichen Haushalts kommunikativ verbunden zu sein. Es ist weiter bevorzugt, dass die externe Stelle 125 mit einer Vielzahl weiterer Haushaltsgeräte 105, 110 kommunikativ verbunden ist, die anderen Haushalten zugeordnet sind.The external location 125 is preferably located outside the household in which the household appliances 105, 110 are installed, and is more preferably implemented as a server or as a service, in particular abstracted in a cloud. The external location 125 usually comprises a processing device 130 and a storage device 135 for storing information and / or messages. The external point 125 is preferably set up to be communicatively connected to a plurality of household appliances 105, 110 of the same household. It is further preferred that the external point 125 is communicatively connected to a multiplicity of further household appliances 105, 110 which are assigned to other households.

Ein persönliches Gerät 140 einer vorbestimmten Person kann ebenfalls über das Netzwerk 120 Informationen mit der externen Stelle 125 austauschen. Die Person ist bevorzugt wenigstens einem der Haushaltsgeräte 105, 110 des betrachteten Haushalts zugeordnet. Das Gerät 140 kann mobil sein und beispielsweise ein Smartphone, einen Tablet Computer oder ein Laptop umfassen. Es kann auch beispielsweise als Personal Computer ausgebildet und dazu eingerichtet sein, stationär betrieben zu werden. Das Gerät 140 kann dazu verwendet werden, eine Nachricht 145 für eines der Haushaltsgeräte 105, 110 an der externen Stelle zu hinterlegen oder zu erzeugen.A personal device 140 of a predetermined person can also exchange information with the external location 125 via the network 120. The person is preferably assigned to at least one of the household appliances 105, 110 of the household in question. The device 140 can be mobile and comprise, for example, a smartphone, a tablet computer or a laptop. It can also be designed, for example, as a personal computer and set up to be operated in a stationary manner. The device 140 can be used to store or generate a message 145 for one of the household devices 105, 110 at the external location.

Zur Übermittlung von Nachrichten 145 von der externen Stelle 125 an die ersten Haushaltsgeräte 105 bauen Letztere üblicherweise jeweils eine Kommunikationsverbindung zur externen Stelle 125 auf und erhalten diese zumindest über eine vorbestimmte Zeit hinweg aufrecht. Die externe Stelle 125 kann bei Bedarf eine der Kommunikationsverbindungen benutzen, um die Nachricht 145 an ein vorbestimmtes der Haushaltsgeräte 105, 110 zu übermitteln. Im Kontrast dazu wird vorgeschlagen, dass zunächst nur das zweite Haushaltsgerät 110 eine Kommunikationsverbindung mit der externen Stelle 125 aufrechterhält. Eine Nachricht 145 an eines der Haushaltsgeräte 105, 110 wird an das zweite Haushaltsgerät 110 übermittelt, welches die Nachricht 145, falls erforderlich, an den beabsichtigten Empfänger unter den Haushaltsgeräten 105 weiterleitet.To transmit messages 145 from the external point 125 to the first household appliances 105, the latter usually each set up a communication connection to the external point 125 and maintain this at least for a predetermined time. If necessary, the external location 125 can use one of the communication connections in order to transmit the message 145 to a predetermined one of the household appliances 105, 110. In contrast to this, it is proposed that initially only the second household appliance 110 maintain a communication connection with the external point 125. A message 145 to one of the household appliances 105, 110 is transmitted to the second household appliance 110, which forwards the message 145, if necessary, to the intended recipient among the household appliances 105.

Figur 2 zeigt ein Ablaufdiagramm eines beispielhaften Verfahrens 200 zum Übermitteln einer Nachricht 145 von der externen Stelle 125 an eines der Haushaltsgeräte 105, 110. Zum besseren Verständnis ist dem dargestellten Ablaufdiagramm nur ein Teil des Systems 100 zu Grunde gelegt. Figure 2 FIG. 10 shows a flowchart of an exemplary method 200 for transmitting a message 145 from the external location 125 to one of the household appliances 105, 110. For a better understanding, the flowchart shown is based on only part of the system 100.

Zunächst können nur erste Haushaltsgeräte 105 vorliegen. In einem Schritt 205 kann unter den Haushaltsgeräten 105 ausgehandelt werden, welches von ihnen die Rolle des zweiten Haushaltsgeräts 110 übernehmen soll. Das zweite Haushaltsgerät 110 kann bevorzugt eine Kommunikationsverbindung mit dem Router 115 und direkte Kommunikationsverbindungen mit möglichst vielen ersten Haushaltsgeräten 105 aufbauen. Gibt es kein Haushaltsgerät 105, das eine direkte Kommunikationsverbindung mit allen anderen Haushaltsgeräten 105 des Haushalts aufbauen kann, so kann die hierin beschriebene Technik mehrfach und unabhängig voneinander mit mehreren unterschiedlichen zweiten Haushaltsgeräten 110 ausgeführt werden. In Figur 2 sind beispielhaft als erstes Haushaltsgerät 105 eine Dunstabzugshaube und als zweites Haushaltsgerät 110 eine Kühlvorrichtung dargestellt.Initially, only first household appliances 105 can be present. In a step 205, it can be negotiated among the household appliances 105 which of them is to assume the role of the second household appliance 110. The second household appliance 110 can preferably set up a communication link with the router 115 and direct communication links with as many first household appliances 105 as possible. If there is no household appliance 105 that can establish a direct communication link with all other household appliances 105 in the household, the technique described herein can be carried out multiple times and independently of one another with several different second household appliances 110. In Figure 2 are exemplary as the first household appliance 105 an extractor hood and a cooling device shown as the second household appliance 110.

In einem Schritt 210 stellt das zweite Haushaltsgerät 110 eine Kommunikationsverbindung zum ersten Haushaltsgerät 105 her. Diese Verbindung erfolgt bevorzugt direkt bezüglich einer Transportschicht eines verwendeten Kommunikationsprotokolls. Im Fall einer WLAN-Verbindung kann beispielsweise ein Repeater, der für eine Kommunikation auf einer höheren Schicht nicht sichtbar ist, zwischen die Haushaltsgeräte 105, 110 geschaltet sein.In a step 210, the second household appliance 110 establishes a communication link to the first household appliance 105. This connection is preferably made directly with respect to a transport layer of a communication protocol used. In the case of a WLAN connection, for example, a repeater, which is not visible for communication on a higher level, can be connected between the household appliances 105, 110.

In einem Schritt 215 stellt das zweite Haushaltsgerät 110 eine Kommunikationsverbindung zur externen Stelle 125 her. Diese Verbindung wird bevorzugt auf der Ebene eines Transportprotokolls einer paketvermittelten Verbindung hergestellt. Eine leitungsvermittelte Verbindung ist ebenfalls möglich. Die Kommunikationsverbindung wird üblicherweise von einer der Seiten 110, 125 geschlossen, wenn die Verbindung über eine erste vorbestimmte Zeit bestanden hat und/oder über eine zweite vorbestimmte Zeit keine Informationen übermittelt wurden. Zur Aufrechterhaltung der Kommunikationsverbindung kann eine der Seiten 110, 125 jeweils vor Ablauf der zweiten vorbestimmten Zeit eine Information übermitteln. Optional kann das zweite Haushaltsgerät 110 dann auch eine Anfrage an die externe Stelle 125 richten, ob eine Nachricht 145 für eines der Haushaltsgeräte 105, 110 vorliegt.In a step 215, the second household appliance 110 establishes a communication link to the external location 125. This connection is preferably established at the level of a transport protocol of a packet-switched connection. A circuit-switched connection is also possible. The communication connection is usually closed by one of the sides 110, 125 if the connection has existed for a first predetermined time and / or no information has been transmitted for a second predetermined time. To maintain the communication link, one of the pages 110, 125 can transmit information before the second predetermined time has elapsed. Optionally, the second household appliance 110 can then also send an inquiry to the external location 125 as to whether a message 145 is present for one of the household appliances 105, 110.

In einem Schritt 220 soll die Nachricht 145 von der externen Stelle 125 an eines der Haushaltsgeräte 105, 110 übermittelt werden. Die externe Stelle 125 übermittelt die Nachricht 145 bevorzugt über die bestehende Kommunikationsverbindung an das zweite Haushaltsgerät 110. Ist die Nachricht 145 an das zweite Haushaltsgerät 110 gerichtet, kann das zweite Haushaltsgerät 110 eine Antwort auf die empfangene Nachricht 145 an die externe Stelle 125 senden, beispielsweise in Form einer Empfangsbestätigung, und das Verfahren 200 kann in diesem Schritt enden. Ist die Nachricht 145 jedoch an das erste Haushaltsgerät 105 gerichtet, so kann sie durch das zweite Haushaltsgerät 110 in einem Schritt 225 dorthin weitergeleitet werden. Das erste Haushaltsgerät 105 kann, eine Antwort auf die empfangene Nachricht 145 an die externe Stelle 125 übermitteln. Die Antwort kann auf umgekehrtem Weg zunächst zum zweiten Haushaltsgerät 110 übermittelt und von dort zur externen Stelle 125 weitergeleitet werden.In a step 220, the message 145 is to be transmitted from the external location 125 to one of the household appliances 105, 110. The external unit 125 transmits the message 145 to the second household appliance 110 preferably via the existing communication connection. If the message 145 is directed to the second household appliance 110, the second household appliance 110 can send a response to the received message 145 to the external unit 125, for example in the form of an acknowledgment of receipt, and the method 200 can end in this step. However, if the message 145 is directed to the first household appliance 105, it can be forwarded there by the second household appliance 110 in a step 225. The first household appliance 105 can transmit a response to the received message 145 to the external location 125. The answer can first be transmitted in the opposite direction to the second household appliance 110 and forwarded from there to the external point 125.

In einer weiteren Ausführungsform kann das erste Haushaltsgerät 105 eine Kommunikationsverbindung zum Router 115 herstellen und über diese eine Antwort an die externe Stelle 125 übermitteln. Diese Kommunikationsverbindung verläuft bevorzugt nicht über das zweite Haushaltsgerät 110, sondern direkt zum Router 115 oder, bei Bedarf, über einen anderen Router 115 (nicht dargestellt). In einer Variante umfasst die von der externen Stelle 125 übermittelte Nachricht 145 zunächst nur eine Aufforderung an das Haushaltsgerät 105 zur Herstellung einer direkten Kommunikationsverbindung. In diesem Fall kann sich das erste Haushaltsgerät 105 über die hergestellte Kommunikationsverbindung bei der externen Stelle 125 melden und beispielsweise die tatsächliche Nachricht 145 anfordern. In einem Schritt 235 kann diese von der externen Stelle 125 an das erste Haushaltsgerät 105 übermittelt werden.In a further embodiment, the first household appliance 105 can establish a communication connection to the router 115 and use this to transmit a response to the external location 125. This communication connection preferably does not run via the second household appliance 110, but rather directly to the router 115 or, if necessary, via another router 115 (not shown). In one variant, the message 145 transmitted by the external location 125 initially only comprises a request to the household appliance 105 to establish a direct communication connection. In this case, the first household appliance 105 can report to the external point 125 via the established communication link and request the actual message 145, for example. In a step 235, this can be transmitted from the external point 125 to the first household appliance 105.

Das adressierte Haushaltsgerät 105, 110 kann nach dem Erhalten der Nachricht 145 eine umfasste Steuerinformation entnehmen und auswerten. Die Steuerinformation kann eine Anforderung eines durch das Haushaltsgerät 105, 110 ausführbaren Prozesses umfassen, oder das Bereitstellen oder Ändern eines Steuerparameters. Im Fall der Kühleinrichtung 110 kann der Steuerparameter beispielsweise eine im Inneren herrschende Temperatur betreffen. Auf der Basis der Steuerinformation kann eine Gerätefunktion gesteuert werden, beispielsweise im Fall der Dunstabzugshaube 105 ein Ein- oder Ausschalten eines Lüftermotors oder einer Beleuchtung.After receiving the message 145, the addressed household appliance 105, 110 can extract and evaluate included control information. The control information can include a request for a process that can be carried out by the household appliance 105, 110, or the provision or changing of a control parameter. In the case of the cooling device 110, the control parameter can relate, for example, to a temperature prevailing inside. A device function can be controlled on the basis of the control information, for example in the case of the extractor hood 105, switching a fan motor or lighting on or off.

BezugszeichenReference number

100100
Systemsystem
105105
erstes Haushaltsgerätfirst household appliance
105.1105.1
DunstabzugshaubeExtractor hood
105.2105.2
KochfeldHob
105.3105.3
Backofenoven
105.4105.4
WaschmaschineWashing machine
110110
zweites Haushaltsgerät (Kühlgerät)second household appliance (refrigerator)
115115
RouterRouter
120120
übergeordnetes Netzwerkparent network
125125
externe Stelleexternal body
130130
VerarbeitungseinrichtungProcessing facility
135135
SpeichervorrichtungStorage device
140140
persönliches Gerätpersonal device
145145
Nachrichtmessage
200200
VerfahrenProcedure
205205
zweites Gerät aushandelnnegotiate second device
210210
erste Kommunikationsverbindung zu erstem Haushaltsgerät herstellenEstablish the first communication link to the first household appliance
215215
zweite Kommunikationsverbindung zur externen Stelle herstellenEstablish a second communication link to the external location
220220
Nachricht an zweites Gerät übermittelnSend message to second device
225225
Nachricht an erstes Gerät weiterleitenForward message to first device
230230
dritte Kommunikationsverbindung zur externen Stelle herstellenEstablish a third communication link to the external body
235235
direkte Übermittlung Steuerinformationendirect transmission of tax information

Claims (11)

Verfahren (200) zum Steuern eines ersten (105) und eines zweiten Haushaltsgeräts (110) in einem Haushalt durch eine externe Stelle (125), wobei das Verfahren (200) folgende Schritte umfasst: - Bereitstellen von zwei Haushaltsgeräten (105, 110); - Herstellen (210) einer ersten Kommunikationsverbindung zwischen den beiden Haushaltsgeräten (105, 110); - Aushandeln zwischen den beiden Haushaltsgeräten, welches als erstes und welches als zweites Haushaltsgerät handelt; - Herstellen (215) einer zweiten Kommunikationsverbindung vom zweiten Haushaltsgerät (110) zur externen Stelle (125); - Erfassen (220) einer Nachricht (145) durch das zweite Haushaltsgerät (110), wobei die Nachricht (145) von der externen Stelle (125) an eines der Haushaltsgeräte (105, 110) gerichtet ist; - Weiterleiten (225) der Nachricht (145) an das erste Haushaltsgerät (105), falls die Nachricht (145) an das erste Haushaltsgerät (105) gerichtet ist. A method (200) for controlling a first (105) and a second household appliance (110) in a household by an external location (125), the method (200) comprising the following steps: - providing two household appliances (105, 110); - Establishing (210) a first communication link between the two household appliances (105, 110); - Negotiating between the two household appliances, which acts as the first and which acts as the second household appliance; - Establishing (215) a second communication connection from the second household appliance (110) to the external location (125); - Detection (220) of a message (145) by the second household appliance (110), the message (145) being directed from the external location (125) to one of the household appliances (105, 110); - Forwarding (225) the message (145) to the first household appliance (105) if the message (145) is directed to the first household appliance (105). Verfahren (200) nach Anspruch 1, wobei das zweite Haushaltsgerät (110) periodisch Nachrichten (145) von der externen Stelle (125) abfragt.The method (200) according to claim 1, wherein the second household appliance (110) periodically polls messages (145) from the external location (125). Verfahren (200) nach Anspruch 1 oder 2, wobei das erste Haushaltsgerät (105) in Antwort auf eine empfangene Nachricht (145) eine dritte Kommunikationsverbindung zur externen Stelle (125) herstellt.Method (200) according to Claim 1 or 2, the first domestic appliance (105) establishing a third communication connection to the external location (125) in response to a received message (145). Verfahren (200) nach Anspruch 3, wobei die dritte Kommunikationsverbindung nicht über das zweite Haushaltsgerät (110) verläuft.Method (200) according to claim 3, wherein the third communication connection does not run via the second household appliance (110). Verfahren (200) nach einem der Ansprüche 3 oder 4, wobei eine Nachricht (145), die über die erste Kommunikationsverbindung an das erste Haushaltsgerät (105) weitergeleitet wurde, eine Aufforderung zum Aufbauen der dritten Kommunikationsverbindung betrifft; ferner umfassend das Beziehen (235) einer Steuerinformation durch das erste Haushaltsgerät (105) von der externen Stelle (125).The method (200) according to one of claims 3 or 4, wherein a message (145) which was forwarded to the first household appliance (105) via the first communication connection relates to a request to set up the third communication connection; further comprising obtaining (235) control information from the first household appliance (105) from the external location (125). Verfahren (200) nach einem der vorangehenden Ansprüche, wobei eine Gerätefunktion des ersten Haushaltsgeräts (105) in Abhängigkeit einer empfangenen Nachricht (145) gesteuert wird.Method (200) according to one of the preceding claims, wherein a device function of the first household device (105) is controlled as a function of a received message (145). Verfahren (200) nach einem der vorangehenden Ansprüche, wobei eine Antwort des ersten Haushaltsgeräts (105) auf eine empfangene Nachricht (145) an die externe Stelle (125) übermittelt wird.Method (200) according to one of the preceding claims, wherein a response from the first domestic appliance (105) to a received message (145) is transmitted to the external location (125). Verfahren (200) nach einem der vorangehenden Ansprüche, wobei die Nachricht (145) an der externen Stelle (125) auf der Basis einer Anforderung durch ein weiteres Gerät (140) bestimmt ist.Method (200) according to one of the preceding claims, wherein the message (145) is determined at the external location (125) on the basis of a request by a further device (140). Haushaltsgerät (110) zur Steuerung eines weiteren Haushaltsgeräts (105), wobei die Haushaltsgeräte (105, 110) im gleichen Haushalt angeordnet sind und das Haushaltsgerät (110) dazu eingerichtet ist: - eine erste Kommunikationsverbindung zum weiteren Haushaltsgerät (105) herzustellen; - mit dem weiteren Haushaltsgerät auszuhandeln, welches der beiden Haushaltsgeräte als erstes und welches als zweites Haushaltsgerät handelt; und - sofern ausgehandelt wurde, dass das Haushaltsgerät als zweites Haushaltsgerät und das weitere Haushaltsgerät als erstes Haushaltsgerät handelt, eine zweite Kommunikationsverbindung zu einer externen Stelle (125) herzustellen, eine Nachricht (145), die an eines der Haushaltsgeräte (105, 110) gerichtet ist, von der externen Stelle (125) zu erfassen, und die Nachricht (145) an das weitere Haushaltsgerät (105) weiterzuleiten, falls die Nachricht (145) an das weitere Haushaltsgerät (105) gerichtet ist. Household appliance (110) for controlling a further household appliance (105), the household appliances (105, 110) being arranged in the same household and the household appliance (110) being set up to: - Establish a first communication connection to the further household appliance (105); - negotiate with the other household appliance which of the two household appliances is the first and which is the second household appliance; and - if it has been negotiated that the household appliance acts as the second household appliance and the further household appliance as the first household appliance, to establish a second communication link to an external point (125), a message (145) directed to one of the household appliances (105, 110) to detect from the external location (125) and to forward the message (145) to the further household appliance (105) if the message (145) is directed to the further household appliance (105). Externe Stelle (125) zur Steuerung eines ersten und eines zweiten Haushaltsgeräts (110), wobei die externe Stelle dazu eingerichtet ist, eine Nachricht (145), die an eines der Haushaltsgeräte (105, 110) gerichtet ist, zu speichern und die Nachricht (145) in Antwort auf eine Abfrage eines der Haushaltsgeräte (105, 110) bereitzustellen.External station (125) for controlling a first and a second domestic appliance (110), the external station being set up to store a message (145) directed to one of the domestic appliances (105, 110) and to store the message ( 145) in response to a query of one of the household appliances (105, 110). System (110), umfassend ein Haushaltsgerät (110) nach Anspruch 9, eine externe Stelle (125) nach Anspruch 10 und ein weiteres Haushaltsgerät (105), wobei das weitere Haushaltsgerät (105) dazu eingerichtet ist, eine Nachricht (145) vom Haushaltsgerät (105) zu empfangen und eine Gerätefunktion in Abhängigkeit der Nachricht (145) zu steuern.System (110) comprising a household appliance (110) according to claim 9, an external location (125) according to claim 10 and a further household appliance (105), the further household appliance (105) being set up to receive a message (145) from the household appliance (105) to receive and to control a device function depending on the message (145).
EP20153190.2A 2019-02-15 2020-01-22 Control of a household appliance through an external location Active EP3697027B1 (en)

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